<template>
  <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option v-for="item in list" :key="item.id" :value="item.username" :label="item.username" />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getDepartmentsSimple, addDepartments, getDepartmentsDetail, editDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 自定义添加的校验规则
    const existCodeValid = (rule, value, callback) => {
      let existCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        // 根据id将当前编辑的部门id从所有部门中删除
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      console.log(existCodeList, 'existCodeList')
      if (existCodeList.includes(value)) {
        callback(new Error(`部门编码: ${value}已存在`))
      } else {
        callback()
      }
    }
    // 部门名称非重复校验
    const existNameValid = (rule, value, callback) => {
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      if (this.isEdit) {
        const pid = this.originList.find(item => item.id === this.id).pid
        const brothers = this.originList.filter(item => item.pid === pid)
        existNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log(existNameList, 'existNameList')
      if (existNameList.includes(value)) {
        callback(new Error(`部门名称: ${value}已存在`))
      } else {
        callback()
      }
    }
    return {
      form: {
        name: '',
        code: '',
        manager: '',
        introduce: ''
      },
      rules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称1-50位', trigger: 'blur' },
          { validator: existNameValid, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门编码', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码1-50位', trigger: 'blur' },
          { validator: existCodeValid, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '请选择部门负责人', trigger: ['blur', 'change'] }
        ],
        introduce: [
          { required: true, message: '请输入部门介绍', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入1-300个字', trigger: 'blur' }
        ]
      },
      list: []
    }
  },
  created() {
    this.loadDepartmentsSimple()
    if (this.isEdit) {
      this.loadDepartmentsDetail()
    }
  },
  methods: {
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    // 部门负责人选择
    async loadDepartmentsSimple() {
      const res = await getDepartmentsSimple()
      // console.log(res.data.data)
      this.list = res.data.data
    },
    // 部门详情
    async loadDepartmentsDetail() {
      const res = await getDepartmentsDetail(this.id)
      // console.log(res.data.data, '部门详情')
      this.form = res.data.data
    },
    // 新增子部门
    async doAdd() {
      const res = await addDepartments({ ...this.form, pid: this.id })
      console.log(res.data)
      this.$emit('success')
    },
    // 修改部门
    async doEdit() {
      const res = await editDepartments(this.form)
      console.log(res)
    },
    // 提交  兜底校验
    hSubmit() {
      this.$refs.deptForm.validate(valid => {
        if (valid) {
          // 判断是修改还是新增
          this.isEdit ? this.doEdit() : this.doAdd()
        }
      })
    },
    // 取消
    hCancel() {
      this.$emit('close')
    }
  }

}
</script>

<style>

</style>
